单项选择题
A.shutting off the oxygen supply B.cooling surfaces adjacent to the fire C.removing combustibles from the endangered area D.removing smoke and toxic gases by ensuring adequate ventilation
The remote control for a fixed fire extinguishing syste...
单项选择题The remote control for a fixed fire extinguishing system should be（）.
A.painted red and labeled B.concealed from the crew C.protected by plexiglass D.padlocked
The record of tests and inspection of fire fighting equ...
单项选择题The record of tests and inspection of fire fighting equipment on board a ship must include（）.
A.the name of the person conducting the test B.the weight of the charge C.recommendations for the next test D.All of the above
The primary method by which water spray puts out fires ...
单项选择题The primary method by which water spray puts out fires is by（）.
A.removing the oxygen B.cooling the fire below the ignition temperature C.removing combustible material D.diluting combustible vapors
